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Andover IL Weather - Mostly Clear - 94°F
Mostly Clear
94°F
Updated 4:06 pm
Feels Like 106°F
Humidity 52%
Wind SSE 6 mph
Barometer  29.89 in
Dew Point 74°F
Andover IL Weather - Mostly Clear - 34°C
Mostly Clear
34°C
Updated 4:06 pm
Feels Like 41°C
Humidity 52%
Wind SSE 10 km/h
Barometer  101.2 kPa
Dew Point 23°C
Andover, IL Weather and Current Conditionsandover il weather forecast

Andover, IL Weather Forecast

Andover Illinois WeatherAndover, Illinois Weather Weather Forecast
14 day API Andover, IL weather forecast. Note. Our 7-day weather forecast for Andover, Illinois is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Andover, IL Weather Forecast Dated: 406 PM Thu Sep 03 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 3, 2026

Mid-Morning
Andover Weather - 2026-09-03 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-03 - Afternoon - Sunny
96°F 36°C
Sunny
Early-Evening
Andover Weather - 2026-09-03 - Evening - Sunny
87°F 31°C
Sunny
Sizzling hot near 96°F 36°C with a heat index reaching 108°F 42°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SSW to the SSE at 9 mph 14 km/h.

Friday, September 4, 2026

Mid-Morning
Andover Weather - 2026-09-04 - Morning - Scattered Showers
82°F 28°C
Scattered Showers
Mid-Afternoon
Andover Weather - 2026-09-04 - Afternoon - Sunny
94°F 34°C
Sunny
Early-Evening
Andover Weather - 2026-09-04 - Evening - Nearby Thunderstorms
90°F 33°C
Nearby Thunderstorms
Hot and sweltering around 94°F 34°C (heat index 100°F 38°C), scattered downpours possible, with steady humidity and steady pressure. Winds switching from the W to the NNE at 6 mph 11 km/h.

Saturday, September 5, 2026

Mid-Morning
Andover Weather - 2026-09-05 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-05 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Andover Weather - 2026-09-05 - Evening - Sunny
82°F 28°C
Sunny
Very warm near 89°F 32°C, though humidity makes it feel like 94°F 34°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNE to the E at 9 mph 14 km/h.

Sunday, September 6, 2026

Mid-Morning
Andover Weather - 2026-09-06 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-06 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Andover Weather - 2026-09-06 - Evening - Partly Cloudy
74°F 23°C
Partly Cloudy
Warm temperatures up to 81°F 27°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds out of the E at 12 mph 19 km/h.

Monday, September 7, 2026

Mid-Morning
Andover Weather - 2026-09-07 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-07 - Afternoon - Partly Cloudy
79°F 26°C
Partly Cloudy
Early-Evening
Andover Weather - 2026-09-07 - Evening - Overcast
75°F 24°C
Overcast
Mild with a high of 79°F 26°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds blowing from the ESE at 11 mph 18 km/h.

Tuesday, September 8, 2026

Mid-Morning
Andover Weather - 2026-09-08 - Morning - Cloudy
71°F 22°C
Cloudy
Mid-Afternoon
Andover Weather - 2026-09-08 - Afternoon - Scattered Showers
87°F 31°C
Scattered Showers
Early-Evening
Andover Weather - 2026-09-08 - Evening - Sunny
88°F 31°C
Sunny
Warm and summery near 87°F 31°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds S at 14 mph 23 km/h. Gusts up to 35 mph 56 km/h.

Wednesday, September 9, 2026

Mid-Morning
Andover Weather - 2026-09-09 - Morning - Partly Cloudy
81°F 27°C
Partly Cloudy
Mid-Afternoon
Andover Weather - 2026-09-09 - Afternoon - Cloudy
90°F 32°C
Cloudy
Early-Evening
Andover Weather - 2026-09-09 - Evening - Partly Cloudy
81°F 27°C
Partly Cloudy
Hot and sweltering around 90°F 32°C, cloudy through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the WNW to the NE at 7 mph 11 km/h.

Thursday, September 10, 2026

Mid-Morning
Andover Weather - 2026-09-10 - Morning - Partly Cloudy
73°F 23°C
Partly Cloudy
Mid-Afternoon
Andover Weather - 2026-09-10 - Afternoon - Overcast
85°F 29°C
Overcast
Early-Evening
Andover Weather - 2026-09-10 - Evening - Overcast
80°F 27°C
Overcast
Quite warm around 85°F 29°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the ESE to the E at 11 mph 16 km/h. Gusts up to 20 mph 32 km/h.

Friday, September 11, 2026

Mid-Morning
Andover Weather - 2026-09-11 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-11 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Andover Weather - 2026-09-11 - Evening - Sunny
81°F 28°C
Sunny
Warm temperatures up to 86°F 30°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds E at 13 mph 20 km/h. Gusts up to 26 mph 42 km/h.

Saturday, September 12, 2026

Mid-Morning
Andover Weather - 2026-09-12 - Morning - Sunny
83°F 29°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-12 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Andover Weather - 2026-09-12 - Evening - Partly Cloudy
91°F 33°C
Partly Cloudy
Very hot with a high of 99°F 37°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the S to the SSE at 9 mph 14 km/h.

Sunday, September 13, 2026

Mid-Morning
Andover Weather - 2026-09-13 - Morning - Sunny
83°F 28°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-13 - Afternoon - Sunny
94°F 35°C
Sunny
Early-Evening
Andover Weather - 2026-09-13 - Evening - Scattered Showers
78°F 25°C
Scattered Showers
Hot and sweltering around 94°F 35°C (heat index 97°F 36°C), scattered downpours possible, with increasing humidity and steady pressure. Winds turning from the SW to the SSW at 15 mph 24 km/h. Gusts up to 30 mph 48 km/h.

Monday, September 14, 2026

Mid-Morning
Andover Weather - 2026-09-14 - Morning - Light Showers
73°F 23°C
Light Showers
Mid-Afternoon
Andover Weather - 2026-09-14 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Andover Weather - 2026-09-14 - Evening - Overcast
74°F 23°C
Overcast
Comfortable with temperatures reaching 79°F 26°C, morning showers, giving way to clearing skies, with steady humidity and steady pressure. Winds switching from the SSW to the WSW at 9 mph 15 km/h. Gusts up to 21 mph 32 km/h.

Tuesday, September 15, 2026

Mid-Morning
Andover Weather - 2026-09-15 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-15 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Andover Weather - 2026-09-15 - Evening - Sunny
66°F 19°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the W to the NNW at 9 mph 15 km/h.

Wednesday, September 16, 2026

Mid-Morning
Andover Weather - 2026-09-16 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Andover Weather - 2026-09-16 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Andover Weather - 2026-09-16 - Evening - Overcast
66°F 19°C
Overcast
Mild temperatures up to 69°F 21°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the ESE at 6 mph 10 km/h.

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Weather by the Numbers

Thu, 3rd
Andover IL Weather - Thursday, Sep 3, 2026 - Sunny
Hi: 96°F 36°C
Lo: 74°F 23°C
Sunrise 06:29 AM
Sunset 07:30 PM
Wind WSW 11 mph17 km/h
Dew Point 77°F25°C
uv Index 8
Barometric Pressure 29.91 in1013 mb
POP 2% *
Humidity 56%
Fri, 4th
Andover IL Weather - Friday, Sep 4, 2026 - Sunny
Hi: 95°F 35°C
Lo: 75°F 24°C
Sunrise 06:30 AM
Sunset 07:29 PM
Wind W 8 mph13 km/h
Dew Point 67°F19°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 3% *
Humidity 48%
Sat, 5th
Andover IL Weather - Saturday, Sep 5, 2026 - Sunny
Hi: 89°F 32°C
Lo: 71°F 22°C
Sunrise 06:31 AM
Sunset 07:27 PM
Wind NE 7 mph11 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 58%
Sun, 6th
Andover IL Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 81°F 27°C
Lo: 67°F 20°C
Sunrise 06:32 AM
Sunset 07:25 PM
Wind E 11 mph17 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 57%
Mon, 7th
Andover IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 79°F 26°C
Lo: 63°F 17°C
Sunrise 06:33 AM
Sunset 07:24 PM
Wind SE 10 mph15 km/h
Dew Point 56°F14°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 51%
Tue, 8th
Andover IL Weather - Tuesday, Sep 8, 2026 - Patchy Rain Nearby
Hi: 90°F 32°C
Lo: 67°F 19°C
Sunrise 06:34 AM
Sunset 07:22 PM
Wind S 14 mph23 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 11% *
Humidity 50%
Wed, 9th
Andover IL Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 91°F 33°C
Lo: 73°F 23°C
Sunrise 06:35 AM
Sunset 07:20 PM
Wind NNW 12 mph19 km/h
Dew Point 58°F15°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 8% *
Humidity 39%
Thu, 10th
Andover IL Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 86°F 30°C
Lo: 71°F 22°C
Sunrise 06:36 AM
Sunset 07:19 PM
Wind ESE 9 mph14 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 11% *
Humidity 53%
Fri, 11th
Andover IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 87°F 31°C
Lo: 69°F 20°C
Sunrise 06:37 AM
Sunset 07:17 PM
Wind ESE 10 mph16 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 2% *
Humidity 51%
Sat, 12th
Andover IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 100°F 38°C
Lo: 74°F 23°C
Sunrise 06:38 AM
Sunset 07:15 PM
Wind S 9 mph15 km/h
Dew Point 61°F16°C
uv Index 8
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 35%
Sun, 13th
Andover IL Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 95°F 35°C
Lo: 74°F 23°C
Sunrise 06:39 AM
Sunset 07:13 PM
Wind SW 15 mph24 km/h
Dew Point 61°F16°C
uv Index 8
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 36%
Mon, 14th
Andover IL Weather - Monday, Sep 14, 2026 - Overcast
Hi: 81°F 27°C
Lo: 67°F 19°C
Sunrise 06:40 AM
Sunset 07:12 PM
Wind SW 10 mph16 km/h
Dew Point 68°F20°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 23% *
Humidity 79%
Tue, 15th
Andover IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 72°F 22°C
Lo: 55°F 13°C
Sunrise 06:41 AM
Sunset 07:10 PM
Wind WNW 19 mph31 km/h
Dew Point 40°F5°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 35%
Wed, 16th
Andover IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 69°F 21°C
Lo: 53°F 12°C
Sunrise 06:42 AM
Sunset 07:08 PM
Wind NNW 9 mph15 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 46%
* POP = Probability of Precipitation. Data for 12:00 PM.